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- 2016
大规模GNSS基线向量网抗差并行贝叶斯估计
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Abstract:
针对大规模GNSS（global navigation satellite system）基线向量网平差的特点，在IGGⅢ方案的基础上，基于不同降权效率的双因子等价权的改进模型，比较了并行编程方法及环境的适应性，提出了基于多任务划分与处理的并行计算流程，实现了相关观测抗差贝叶斯估计的并行计算。实验采用IGS全网的数据，结果表明，相关抗差并行贝叶斯估计不仅能够充分利用坐标参数的先验信息，有效抵制基线向量异常误差的影响，而且能够充分利用已有的硬件平台，显著提高抗差计算效率
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